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BÜCHI Vac V-511/512/513 9 Appendix
9.2 Materials used
Description Materials Material code
Pump heads Glass 3.3 borosilicate
Condenser Glass 3.3 borosilicate
Collecting tank Glass 3.3 borosilicate
Woulff-bottle Glass 3.3 borosilicate
System housing PUR
Pump housing Aluminum Al
Pump cover PBT
Diaphragms PTFE/Rubber
Valve plates PEEK
Valve head PEEK
Housing Grillamid PA
Pressure sensor Ceramic
Foil Polyester PES
Printed board Fiberglass reinforced epoxy resin
Cable Polyvinyl chloride PVC
Vacuum hoses PTFE/Rubber
Cooling water hose Silicon Sl
Exhaust hose Silicon Sl
Gasket rings, valves ETFE
Diaphragms, valve unit Perfluorelastomer
Gasket additional condenser/valve unit PTFE/Viton
Table 9: Materials
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